ResearchRouting table, looking glass, RPKI & IRR

173.241.37.0/24 Microsoft Corporation

Announced by AS8075 Microsoft Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 173.241.37.0/24

Prefix
173.241.37.0/24
Origin
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK
RPKI
RPKI valid
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 7 covering
In RouteViews
2026-10-14 04:02 UTC
Paths

How 173.241.37.0/24 is reached

Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.

AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 13760 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communities13760:3002 36601:150 36601:2001 36601:13760
Updated6d 1h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communities903:900 903:13760
Updated6d 9h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communities36295:100
Updated6d 9h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communitiesnone
Updated6d 9h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 8075
OriginAS8075 Microsoft Corporation
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated10d 3h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS8075 to originate 173.241.37.0/24 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
173.241.37.0/24/24AS8075 MICROSOFT-CORP-MSN-AS-BLOCKARIN
173.241.32.0/20/24AS36068 APPDIRECTARIN
IRR

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
173.241.37.0/24AS36068 APPDIRECTARINAppDirect Inc 5th floor 650 California St FL 25 San Francisco CalifoniaMNT-AC-1565
173.241.37.0/24AS603 EQUINIX-ECBELLBell NHS - RadialpointMAINT-AS603
173.241.37.0/24AS8075 MICROSOFT-CORP-MSN-AS-BLOCKRADBMicrosoft ByoIpMAINT-AS8075
173.241.36.0/23 coveringAS603 EQUINIX-ECBELLBell NHS - RadialpointMAINT-AS603
173.241.36.0/22 coveringAS603 EQUINIX-ECBELLBell NHS - RadialpointMAINT-AS603
173.241.32.0/21 coveringAS36068 APPDIRECTARINAppDirect NetworksMNT-AC-1565
173.241.32.0/21 coveringAS603 EQUINIX-ECBELLBell NHS - RadialpointMAINT-AS603
173.241.32.0/20 coveringAS36068 APPDIRECTALTDBMTO Telecom Proxy Route - RadialpointMAINT-AS21548
173.241.32.0/20 coveringAS36068 APPDIRECTARINAppDirect NetworksMNT-AC-1565
173.241.32.0/20 coveringAS36068 APPDIRECTRADBAPPDIRECT ARGENTINA SAMAINT-AS11664
Tools

Check 173.241.37.0/24 live

Looking glassIP to ASN APIRPKI APIIRR API